Home / 21,096.56-31,655.68-9,417.44

Finding the Fourth Proportional to 21,096.56, 31,655.68 and 9,417.44

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Solution

The fourth proportional to 21,096.56, 31,655.68 and 9,417.44 is: 14,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096.56 : 31,655.68 = 9,417.44 : x
  2. Step 2: Convert to fraction form
    21,096.56/31,655.68 = 9,417.44/x
  3. Step 3: Cross multiply
    21,096.56x = 31,655.68 × 9,417.44
  4. Step 4: Simplify right side
    21,096.56x = 298,115,467.06
  5. Step 5: Solve for x
    x = 298,115,467.06/21,096.56
  6. Step 6: Final answer
    x = 14,131.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.